The gun used in a fatal Nashville school shooting was purchased in Arizona, police said on Thursday afternoon. On Wednesday morning, 17-year-old Solomon Hendersen opened fire in Antioch High School's cafeteria in Antioch,

A 17-year-old boy who opened fire in his Nashville high school's cafeteria fired a total of 10 shots from a 9 mm pistol within 17 seconds of entering the room.

A district official said the system failed to detect the shooter's handgun because of where cameras were in the school.